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发明名称
PROPULSION ARRANGEMENTS FOR AQUATIC TOYS
摘要
申请公布号
GB1543495(A)
申请公布日期
1979.04.04
申请号
GB19770039355
申请日期
1977.09.21
申请人
LEE MAN KWAI
发明人
分类号
A63H23/04;A63H29/22;(IPC1-7):A63H29/14;B63H11/02;F04D13/06
主分类号
A63H23/04
代理机构
代理人
主权项
地址
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